What are the components of a typical dial indicator?

A typical dial indicator is fundamentally designed for precise measurements, particularly in alignment applications. The correct components of a dial indicator include a measuring probe, which directly contacts the surface being measured, allowing for accurate readings of displacement or deviation. The dial face provides a clear and easy-to-read display of the measurement, often marked with gradations for precise reading of measurements. Finally, a mounting fixture is essential for securely attaching the dial indicator to the machine or the component being measured, ensuring stability and accuracy during the measurement process.

This functional design makes the dial indicator a critical tool in machining, assembly, and alignment tasks, as it allows operators to assess the alignment and positional accuracy of various components with high precision. The incorrect options include components that do not pertain to a dial indicator's purpose or construction, focusing instead on unrelated tools or features that are not applicable to this specific measuring instrument.